Watch List notes:

Annam – Vietnam, Tu Duc (1847-1883), silver currency ingot/ 'boat money', of ten-lang, slightly curved rectangular form, top plain, some 'stamps' cast into both edges and one end, a single chopmark to one edge, 115 x 30 x 15mm., 380gms., (similar to Cribb F.38), very fine

Estimate: 400 - 600 GBP